who is a in the show pretty little liars

Modern-day fashion designer Tania Winston is at the peak of her career—until a freak accident at the Paris Fashion Awards lands her in 1980s Florinth, trapped in the life of a notorious "evil wife" married to stern factory director Hermes Lorenz. Suddenly mother to a timid son and enemy to the entire village, Tania must survive in an unfamiliar era while cleaning up the mess left behind by her predecessor.As Tania mends torn relationships—and designs—she disarms her icy husband, reclaims her son's trust, and outmaneuvers rival Sherry's decades-long scheme to steal her life. Sometimes the harshest punishment becomes an unexpected redemption.

Kit Vane is a genius engineer who pulls a malfunctioning robot PWL-000 from the discard pile on instinct, more curiosity than compassion. The robot is technically flawed, classified as a reject, and by every rational measure not worth saving. Kit saves him anyway. What begins as clinical interest quietly becomes something neither of them has a category for. The robot's devotion starts as programmed loyalty and evolves into something that looks unmistakably like longing. Kit, who understands machines better than people, finds herself understood in return in ways she never anticipated. But underneath the robot’s growing attachment lies a secret sealed long before Kit ever found him, a love so vast and so carefully hidden that when it finally surfaces, it reframes everything that came before. Two beings bound by fate neither one chose, falling into feelings neither one was built to name.

On a snowy night in Northville, Riley Zimmer is abandoned by her first love, Logan Hayes, and marries Ethan Quinn, who has secretly loved her for eleven years. After four years of a cold marriage, Logan returns, family pressure mounts, and rumors spread. Riley gradually realizes the marriage was his long-planned way of loving and protecting her. When the truth comes out, she finally runs into his arms and entrusts him with the rest of her life.

Grace Smith's father, Lucas Brown, brings his illegitimate daughter Sophia Brown into the Smith family using a fake paternity test and falsely claims that Grace is not their biological daughter. Grace's birth mother, Helen Smith, never doubts this deception and even tortures and mistreats Grace for Sophia's sake. Sophia schemes to have Grace sleep with a homeless man, but unexpectedly, Grace encounters Eric Moore, a powerful figure in the city. When Grace has nowhere to turn, she seeks Eric's help after discovering she is pregnant with his child. They have a flash marriage, and from then on, Grace enjoys a life of being doted on by her wealthy in-laws while getting revenge on those who wronged her.

Daniel, a retired special forces king and hidden global tycoon, returns home disguised as a cleaner for his son Matthew’s wedding. At the wedding, Matthew is brutally humiliated by his wealthy future in-laws, who believe Daniel and his son are nothing but poor nobodies. But they have no idea they’ve just offended the world’s most untouchable billionaire. When Daniel finally reveals his true identity, how far will he go to destroy the family that ruined his son’s life?

Yana Yawner, the Divine Doctor, was determined to fulfill her mother's last wish and become a grandmaster by studying the Poison Manual. However, the book was a treasured heirloom of the Gayton family, and the only way to get it to marry into the family and bear a child. Meanwhile, Zackery Gayton was desperately seeking the Divine Doctor for his adopted son's mysterious illness. The two got married out of convenience and, through a series of misunderstandings, gradually understood and fell in love with each other, living a happy life ever after.

Tim Judd, a top tycoon, disguises himself as a delivery man. One day, while delivering an order, he accidentally walks in on Cora Bale while she's taking a shower and ends up being chased out by security. His son, Jack, thinks Tim is just goofing off and doesn't take any job seriously. When Tim makes a delivery the next day and meets Cora again, he helps her resolve a company crisis with ease, changing her impression of him. Although Tim may be slightly older, he proves to be quite reliable. Impressed, Cora asks him to be her fake boyfriend.

James Grant was kidnapped when he was a kid and stayed ten years in the orphanage. When he finally found his family, his family made him take the blame for illegally running a casino, instead of his adopted brother, Yale. During the days in jail, James met the Card King, Jack Warren. Jack taught James all his gambling skills and asked James to use these skills against gambling. After getting out of jail, James decided to take revenge and protect his friends from the orphanage.

Josie is the daughter of Chief Commander Choi, and her husband, Gordon Hodges, hails from the Snoylor tribe. Their marriage was only a ceremonial affair—no formal paperwork was ever signed. Shortly after the wedding, Gordon returned to the military camp, and Josie's pregnancy news was delivered to him by letter. Seven years passed without the couple ever reuniting. That is, until their son, Freddie, cried out, desperate to see his father. Josie, determined to fulfill her son's wish, decided to take him to visit Gordon. But when they arrived at the military camp, Josie was shocked to find that Gordon had remarried. Labelled as a "homewrecker," Josie and her son were brutally beaten. In that desperate moment, Josie shouted her father's name. Her father's men immediately rushed her and her son to the hospital, while he went to seek out the Commander. At the hospital, Gordon's new wife, Claire, feigned stomach pains. Gordon, cold-hearted and furious, dragged the doctor away to attend to Claire instead. Tragically, Freddie died on the operating table. When Josie's parents arrived, Gordon and Claire were thrown into prison. But Gordon escaped, and in a fit of madness, he mercilessly shot and killed Claire's mother, Marsha...

In her past life, Cindy Quinn sacrificed everything for her father and three brothers, only to be cast aside when her long-lost sister returned and stole all their affection. This time, she wakes up at the moment of her parents' divorce—and makes a different choice. Instead of staying with the ungrateful Quinn family, she follows her mother into the powerful Shane family, where a brand-new life awaits…

Reborn in a post-apocalyptic world, she uses hidden knowledge and a secret edge to grow stronger alone, all while protecting those she loves most.

Madelyn, leader of the world's top assassin organization Vermilion Order, discovers she's the long-lost daughter of Southhaven's powerful Randall family. She returns home pretending to be a poor girl from the slums, hiding her true identity. While her family showers her with love, her Uncle Louie plots to seize power, teaming up with the mafia to expose her past. Meanwhile, old enemies from the Darkscale Union seek revenge.Madelyn joins forces with her once-hostile stepsister Britney and reconnects with Jeffrey Hudson—secretly the head of the Duskthorn Order. With her strength and her family's support, Madelyn defeats the threats and secures her place in both the family and the underworld.

Hidden genius doctor Damian Mercer (alias Umbra) disguises himself as a beggar to evade global pursuit, only to receive a black card as charity from heiress Liana Lowell. He diagnoses her terminal "Yin-collapsed meridians," but three renowned doctors dismiss him.After publicly humiliating the trio, Damian is forcibly brought to the Lowell estate, where his golden needle technique saves Liana's life, shocking the medical world. Upon escaping, he's publicly humiliated by his fiancee Molly Sawyer and half-brother Rowan Mercer, who break off their engagement. He also discovers the Mercer family has grown arrogant after gaining a seat among "the Twelve Ascendant Elders of the Sanctum" through Damian's own subordinate, Left Sentinel of the Sanctum. Damian secretly orchestrates his revenge, announcing as "Umbra" that he'll attend the Mercer family wedding—causing a sensation.

Tessa is deeply hurt by her husband Shawn Moore's endless favoritism toward his first love. She leaves the marriage with her daughter and nothing else, and they survive by selling melons on the street in hardship.One day, she sees news that he gives unimaginable wealth to his first love. Looking at her worn clothes and her daughter's broken shoes, regret hits her hard. If given another chance, she vows she will never chase his love again—money becomes her priority.

After already becoming a god, Cailyn Shaffer undergoes her second ascension trial, but accidentally ends up in the body of Crownport’s most useless young lady. Her cheating fiance? She kills him. Her shameless sister? She beats her down. Her abusive parents? She destroys them! Anyone in this world who dares cross Cailyn will be wiped out with one strike of her sword! Everyone’s stunned when the “trash” young lady turns out to have incredible fighting skills and can even command magical beasts and fly! They say you can’t fight city hall, but Cailyn’s fists will knock your head clean off.

Stanley Adams, a respected attending physician, was not only highly skilled but also deeply committed to his profession and devoted to his wife and family in every way. Yet, despite his unwavering dedication, he was ultimately betrayed by his wife,Bria. In the end, Bria paid the price for her betrayal and was left drowning in regret.

In a world of universal class changes, the world-ending evil god descends on Blue Star, threatening to enslave all life. Humanity gains the ability to change classes into various professions to fight back. Dragon Tamer, once the strongest profession, became worthless after dragons went extinct on Blue Star.Andy Sanford becomes a Dragon Tamer and obtains the Divine Dragon System, allowing him to summon ancient true dragons—creatures of unimaginable power. The so-called “dragons” in this world are merely lesser drakes, degraded beasts with only a fraction of true dragon bloodline.

After a second chance at life, Sandra escapes the treacherous Sean family and flees with her mother to the Wildes. There, allies Simon and Ryan help her navigate the Seans' treacherous schemes and traps. Culminating in both sweet revenge and a newfound love, Sandra weaves a tale of redemption and triumph.